jennifer davis reporttspolice shot down the gunman and all the hostagessmade it out safely. >> with an angry gunman taking hostagee police evacuate 1900 employees from insiie of the discovery chhnnel headquaaters in silver spring maryland. roughly four hours later, police and swat eaa officers shoot suspect james j lee,,a mannwith a long history being angry over discovery's environmental programming. >>>our tacticaa units moved in, they shot the suspect. the ssspect is deceased. >> there ere frightening moments as the drama unfolded. evacuateing 100 children ffom a day care ccntee. >> witnesses told pooice lee was armed and wearrng what look like ú%tallic can nissters died tote body whee he entered. they watched him on close ccrcuit tv. he took three people as alllunharmed in thh end. >> we believe that he also came in, ith two boxes and 2 backpackss that we expect mayú hhve explosive devices ii them. >> lee carried out ppotests against the discovery channel in print ads and on his personalú website called save the planet protest.com. indicated a homeless shelter as his hhoe address